Cryptocurrency market analysis for Bitcoin and Ethereum. Fetches 4h (24h) and 1d (30-day) data from Binance API, calculates technical indicators (RSI, SMAs, support/resistance), and provides bullish/bearish sentiment analysis with reasoning. Use when user asks for crypto market reports, BTC/ETH analysis, or daily market summaries.

比特币和以太坊的加密货币市场分析，从币安API获取4小时（24小时）和1日（30天）数据，计算技术指标（RSI、简单移动平均线、支撑/阻力位），并提供带推理的看涨/看跌情绪分析。适用于用户询问加密市场报告、BTC/ETH分析或每日市场总结时使用